Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 214, NWS Tallahassee, FL

July 16, 2006Gadsden County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 16, 2006, 2:46 PM EDT for Gadsden County, Florida. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 16, 2006, 2:46 PM EDT (18:46 UTC)
Expired
Jul 16, 2006, 3:15 PM EDT
In force
29 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Gadsden County, FL

The radar

The Tallahassee radar (KTLH), 34 km from the middle of the area, began a volume at 18:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.8 hours before the alert went out and 36 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2006-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1563 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2006-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1563 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
640 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 1:50 PM EDT, 56 minutes earlier.

Area forecast discussion, Jul 16, 1:50 PM EDT, 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
150 PM EDT SUN JUL 16 2006

.SYNOPSIS...
AFTERNOON CONVECTION DEVELOPING OVER THE FL PANHANDLE...ALIGNING
WITH THE WEAK LOW PRESSURE TROUGH...CONVERGENT THETA-E & INSTABILITY
AXIS. EXPECT CONVECTION TO BUILD EAST ALONG THIS BOUNDARY...& BECOME
WIDESPREAD. WEAK SEA BREEZE WILL BE POSSIBLE...& MAY ENHANCE SOME
UPWARD MOTION...AN ISOLATED STRONG TO SEVERE STORM WILL BE POSSIBLE.
MODIFIED TAE SOUNDING WILL KEEP PRECIP WATER AROUND 1.66 INCHES...LI
-5 TO -7...CAPE OF 3K-4K J/KG. STORM MOTION SHOULD TAKE CONVECTION
E-SE. SURFACE TROUGH MAY SAG A BIT MORE TO THE AL/FL/GA STATE-LINES
THIS AFTERNOON TO EVENING...& BE THE MAIN FOCUS OF CONVECTION. TEMPS
WILL REACH MAINLY MID 90S...WITH ISOLATED UPPER 90S INLAND...WHILE
LOWER 90S AT THE COAST.

&&

.SHORT TERM...(TONIGHT THROUGH TUESDAY).
EVENING CONVECTION EXPECTED WITH AN ISOLATED STRONG TO SEVERE STORM.
OVERNIGHT THE WEAK LOW PRESSURE TROUGH SAGS TO OVER N FL...& SOME
ISOLATED CONVECTION COULD BE POSSIBLE OVERNIGHT. ON MONDAY...THE
MODELS ARE CONSISTENT WITH GOOD CHANCE TO LIKELY CONVECTION WITH THE
TROUGH OVER THE AREA & WEAKENING...SOME WEAK SEA BREEZE ALONG THE
COASTS...& WEAK UPPER DYNAMICS DRIFTING ACROSS N FL...THEN MOVING
SOUTHEAST. CURRENT 50 PERCENT CHANCE POP LOOKS GOOD. TUESDAY THE
UPPER RIDGE BEGINS TO BUILD IN BETTER FROM THE WEST...WHILE THE
STALLED TROUGH CONTINUES TO WEAKEN & DISSIPATE. SEA BREEZE FORMATION
WILL BE EXPECTED...SO POP ON TUESDAY REMAINS ELEVATED. THE UPPER
TROUGH CONTINUES TO PUSH EAST INTO WEDNESDAY...AS THE UPPER RIDGE
BUILDS IN FROM THE WEST. POP CHANCES WILL COME BACK A BIT TO MORE
NORMAL LEVELS...AS TEMPS RISE A BIT. LOW LEVEL MOISTURE VALUES WILL
STAY UP FROM 1.5 TO AROUND 2 INCHES.

.LONG TERM...(WEDNESDAY THROUGH SUNDAY).
HIGH PRESSURE BUILDS SURFACE AND ALOFT OVER THE LOCAL REGION WITH
SUBSIDENCE DRYING IN THE MID TO UPPER LEVELS THURSDAY THROUGH
SATURDAY. STILL...ENOUGH LOW LEVEL MOISTURE FOR SEA BREEZE GENERATED
CONVECTION EACH DAY...ESPECIALLY FOR THE FLORIDA ZONES.

&&

.MARINE...
WEST WINDS TODAY 5 TO 15 KTS WITH 1-2 FEET SEAS. THIS WILL GENERALLY
HOLD FOR THE NEXT FEW DAYS...WITH A BIT MORE SW COMPONENT ALONG THE
COASTS IN THE AFTERNOON MONDAY & TUESDAY. EXPECT WINDS TO SWITCH TO
THE SE-E WEDNESDAY...AS THE BURMUDA HIGH BUILDS WESTWARD WITH THE
AXIS WELL NORTH OF THE LOCAL WATERS.

&&

.AVIATION...
WEAK BOUNDARY SETTLING INTO THE REGION WILL HELP IGNITE
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS THIS AFTERNOON
ACROSS MOST TERMINALS. WILL KEEP TEMPO GROUPS FOR TSTMS DURING THE
LATE AFTERNOON/EARLY EVENING. AWAY FROM STORMS...VFR CONDITIONS WILL
PREVAIL. VIS RESTRICTIONS TONIGHT WILL BE HIGHLY DEPENDANT ON
RAINFALL PATTERN THIS AFTERNOON AND EVENING. HAVE GENERALLY KEPT
THINGS IN THE VFR CATEGORY WITH A BRIEF  PERIOD OF MVFR CONDITIONS
AT KVLD. TERMINALS THAT RECEIVE A HEALTHY RAINFALL THROUGH THE
EVENING HOURS WILL HAVE A BETTER CHANCE OF MVFR OR EVEN BRIEF IFR
CONDITIONS TOWARD SUNRISE MONDAY MORNING. WILL WATCH PROGRESSION OF
STORMS AND ADJUST ACCORDINGLY IN AFTERNOON AND EVENING TAF PACKAGE.

&&

.FIRE WEATHER...
RH VALUES REMAIN WELL ABOVE CRITICAL LEVELS OVER THE NEXT SEVERAL
DAYS. AFTERNOON ONSHORE SEA BREEZE FLOW WILL RETURN ON MONDAY & MUCH
OF THE COMING WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
TALLAHASSEE  75 94 74 93 / 30 50 30 50
PANAMA CITY  78 91 78 91 / 30 50 30 50
DOTHAN       75 94 75 93 / 30 50 30 40
ALBANY       75 95 75 94 / 30 50 30 40
VALDOSTA     74 94 74 94 / 30 50 30 50
CROSS CITY   75 92 74 93 / 30 50 30 50

&&

.TAE WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
GA...NONE.
FL...NONE.

&&

AVIATION/FIRE WX...BAM
PUBLIC/MARINE...MCT
Hazardous weather outlook, Jul 16, 8:55 AM EDT, 5 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECT WORDING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
0855 AM EDT SUN JUL 16 2006

ALZ065>069-FLZ007>019-026>029-034-GAZ120>131-142>148-155>161-
GMZ750-755-770-775-170945-
COFFEE-DALE-HENRY-GENEVA-HOUSTON-INLAND WALTON-COASTAL WALTON-
HOLMES-WASHINGTON-JACKSON-BAY-CALHOUN-GULF-FRANKLIN-GADSDEN-LEON-
JEFFERSON-MADISON-LIBERTY-WAKULLA-TAYLOR-LAFAYETTE-DIXIE-QUITMAN-
CLAY-RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH-TURNER-TIFT-BEN HILL-
IRWIN-EARLY-MILLER-BAKER-MITCHELL-COLQUITT-COOK-BERRIEN-SEMINOLE-
DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER-
COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT TO 20 NM-
COASTAL WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL OUT TO
20 NM-
WATERS FROM APALACHICOLA TO DESTIN FL EXTENDING FROM 20 TO 60 NM-
WATERS FROM  SUWANNEE RIVER TO APALACHICOLA FL EXTENDING FROM
20 TO 60 NM-
438 AM CDT SUN JUL 16 2006 /538 AM EDT SUN JUL 16 2006/

THIS OUTLOOK IS FOR SOUTHEAST ALABAMA...NORTHWEST FLORIDA...SOUTH
CENTRAL GEORGIA...SOUTHWEST GEORGIA AND GULF OF MEXICO.

.DAY ONE...TODAY AND TONIGHT...
A SURFACE TROUGH APPROACHING THE TRI-STATE REGION FROM THE NORTH
WILL HELP TO GENERATE SCATTERED TO NUMEROUS SHOWERS AND
THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME STORMS MAY BE STRONG
WITH POSSIBLY A FEW APPROACHING SEVERE LEVELS...BUT WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED. THERE IS A MODERATE RISK OF RIP
CURRENTS TODAY ALONG THE FLORIDA PANHANDLE BEACHES AND LOW RISK
ALONG THE SOUTHEAST FACING BEACHES OF THE FLORIDA BIG BEND.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...
THE SURFACE TROUGH WILL SAG SOUTH AND STALL ACROSS NORTH FLORIDA
MONDAY BEFORE DISSIPATING ON TUESDAY. THE PRESENCE OF THE TROUGH
ALONG WITH DEEP MOISTURE AND DAYTIME HEATING WILL CONTINUE TO
BRING GOOD CHANCES FOR SHOWERS AND THUNDERSTORMS AT LEAST THROUGH
TUESDAY. SOME DRYING IN THE MID TO UPPER LEVELS OF THE ATMOSPHERE
WILL TAKE PLACE AS HIGH PRESSURE BUILDS ALOFT WEDNESDAY THROUGH
SATURDAY. HOWEVER...THERE WILL BE SUFFICIENT LOW LEVEL MOISTURE
EACH DAY FOR SEA BREEZE GENERATED CONVECTION...ESPECIALLY OVER
NORTH FLORIDA. WIDESPREAD SEVERE WEATHER IS NOT ANTICIPATED.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN TALLAHASSEE WEBSITE ON THE INTERNET AT WWW.SRH.NOAA.GOV/TAE.

BARRY/MCT

In the hours before

Special weather statement, Jul 16, 11:49 AM EDT, 2 hours 57 minutes before
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Special weather statement, Jul 16, 12:58 PM EDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1258 PM EDT SUN JUL 16 2006

FLZ007>011-161800-
COASTAL WALTON-HOLMES-INLAND WALTON-JACKSON-WASHINGTON-
1158 AM CDT SUN JUL 16 2006

...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR HOLMES...JACKSON...
WALTON AND WASHINGTON COUNTIES IN THE FLORIDA PANHANDLE...

* UNTIL 100 PM CDT

AT 1148 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATED A CLUSTER OF STRONG THUNDERSTORMS ACROSS THE WESTERN AND
CENTRAL FLORIDA PANHANDLE.

SMALL HAIL...AND WINDS OF 30 TO 40 MPH ARE POSSIBLE WITH THESE
STORMS.

THESE STORM ARE ALSO PRODUCING...LOCALLY TORRENTIAL DOWNPOURS WHICH
MAY CAUSE FLOODING OF STREETS AND LOW LYING AREAS...AND ARE
PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING. MOVE
INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

14-MROCZKA
Special weather statement, Jul 16, 1:05 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
105 PM EDT SUN JUL 16 2006

GAZ155-161730-
SEMINOLE-
105 PM EDT SUN JUL 16 2006

...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR SEMINOLE COUNTY IN
SOUTHWEST GEORGIA...

* UNTIL 130 PM EDT

AT 100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES WEST OF DONALSONVILLE...MOVING SOUTHEAST
AT 10 MPH.

THIS STORM WILL BE NEAR...
  6 MILES SOUTHWEST OF DONALSONVILLE BY 120 PM EDT.

THIS STORM IS CAPABLE OF PRODUCING WINDS OF 30 TO 40 MPH...SMALL
HAIL...AND IS ALSO PRODUCING NEARLY CONTINUOUS CLOUD TO
GROUND LIGHTNING. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF
NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

14-MROCZKA
Special weather statement, Jul 16, 2:16 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
216 PM EDT SUN JUL 16 2006

FLZ007-008-161900-
COASTAL WALTON-INLAND WALTON-
116 PM CDT SUN JUL 16 2006

...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR WALTON COUNTY IN THE
PANHANDLE OF FLORIDA...

* UNTIL 200 PM CDT

AT 109 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LARGE AREA OF THUNDERSTORMS MOVING INTO THE WESTERN HALF OF WALTON
COUNTY...MOVING EAST AT 5 MPH.

WINDS 30 TO 40 MPH ARE POSSIBLE WITH THIS STORM. THIS STORM IS ALSO
CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY CAUSE LOCALIZED
FLOODING OF STREETS AND LOW LYING AREAS...AND IS ALSO PRODUCING
NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

REPORT SIGNIFICANT WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT
AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TALLAHASSEE. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE DIRECTLY AT 850-942-8833 TO REPORT SEVERE WEATHER.

23-MCNATT
Special weather statement, Jul 16, 2:16 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
216 PM EDT SUN JUL 16 2006

GAZ145-157-161845-
GRADY-MITCHELL-
216 PM EDT SUN JUL 16 2006

...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR NORTHERN GRADY AND
SOUTHERN MITCHELL COUNTIES IN SOUTHWEST GEORGIA...

* UNTIL 245 PM EDT

AT 212 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR PELHAM...MOVING SOUTHEAST AT 10 MPH.

THIS STORM IS CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS WHICH MAY
CAUSE LOCALIZED FLOODING OF STREETS AND LOW LYING AREAS...AND IS ALSO
PRODUCING NEARLY CONTINUOUS CLOUD TO GROUND LIGHTNING. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

14-MROCZKA
Special weather statement, Jul 16, 2:20 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
220 PM EDT SUN JUL 16 2006

FLZ011-013-016-026-161900-
CALHOUN-GADSDEN-JACKSON-LIBERTY-
220 PM EDT SUN JUL 16 2006

...A SIGNIFICANT WEATHER ALERT IS IN EFFECT FOR
CALHOUN...GADSDEN...JACKSON AND LIBERTY COUNTIES IN NORTHERN
FLORIDA...

* UNTIL 300 PM EDT (200 PM CDT)

AT 109 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 12 MILES WEST OF CHATTAHOOCHEE...OR 14 MILES
NORTH OF BLOUNTSTOWN...MOVING EAST AT 5 MPH.

SMALL HAIL...AND WINDS 30 TO 40 MPH ARE POSSIBLE WITH THIS STORM.
THIS STORM IS ALSO PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING.
MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING.

REPORT SIGNIFICANT WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT
AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR
REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TALLAHASSEE. OR YOU CAN ALSO CALL THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE DIRECTLY AT 850-942-8833 TO REPORT SEVERE WEATHER.

23-MCNATT

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 1:37 PM EDTSpecial Marine WarningTAE113 min
Jul 16, 7:41 PM EDTSevere Thunderstorm WarningTAECook34 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.